HP 88 Black Original Ink Cartridge (C9385AN) for HP Officejet Pro K5400 K550 K8600 L7580 L7590 L7680 L7780 HP 88 ink Cartridges work with: HP Officejet Pro K5400, K550, K8600, L7580, L7590, L7680, L7780 Not all inks are created equal, buy Genuine HP Cartridges for high quality, reliable results every print Cartridge yield (approx): 850 pages Up to 2x more prints with Original HP ink vs refill Cartridges Colours: Black What's in the box: New Original HP 88 Black Original Ink Cartridge (C9385AN)